424453489 has 2 divisors, whose sum is σ = 424453490. Its totient is φ = 424453488.

The previous prime is 424453487. The next prime is 424453567. The reversal of 424453489 is 984354424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418611600 + 5841889 = 20460^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 424453489 - 2¹ = 424453487 is a prime.

It is a super-3 number, since 3×424453489³ (a number of 27 digits) contains 333 as substring.

Together with 424453487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (424453487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212226744 + 212226745.

It is an arithmetic number, because the mean of its divisors is an integer number (212226745).

Almost surely, 2^424453489 is an apocalyptic number.

It is an amenable number.

424453489 is a deficient number, since it is larger than the sum of its proper divisors (1).

424453489 is an equidigital number, since it uses as much as digits as its factorization.

424453489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 43.

The square root of 424453489 is about 20602.2690255224. The cubic root of 424453489 is about 751.5248909902.

The spelling of 424453489 in words is "four hundred twenty-four million, four hundred fifty-three thousand, four hundred eighty-nine".